5311639043 has 4 divisors (see below), whose sum is σ = 5494799040. Its totient is φ = 5128479048.

The previous prime is 5311638991. The next prime is 5311639051. The reversal of 5311639043 is 3409361135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5311639043 - 2¹⁰ = 5311638019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5311638994 and 5311639012.

It is not an unprimeable number, because it can be changed into a prime (5311639063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91579955 + ... + 91580012.

It is an arithmetic number, because the mean of its divisors is an integer number (1373699760).

Almost surely, 2^5311639043 is an apocalyptic number.

5311639043 is a deficient number, since it is larger than the sum of its proper divisors (183159997).

5311639043 is a wasteful number, since it uses less digits than its factorization.

5311639043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183159996.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 5311639043 is about 72880.9923299621. The cubic root of 5311639043 is about 1744.7887466038.

The spelling of 5311639043 in words is "five billion, three hundred eleven million, six hundred thirty-nine thousand, forty-three".